linux-kernel - Re: [PATCH -tip] x86: reboot_fixup_32.c add missing pci_dev

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 2 Dec 2009 11:09:28 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Xiaotian Feng <dfeng@...hat.com>
Cc:	x86@...nel.org, linux-kernel@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, Yinghai Lu <yinghai@...nel.org>
Subject: Re: [PATCH -tip] x86: reboot_fixup_32.c add missing pci_dev_put


* Xiaotian Feng <dfeng@...hat.com> wrote:

> pci_get_device increments reference count to the found pci device, 
> that should be decremented using pci_dev_put.

> +++ b/arch/x86/kernel/reboot_fixups_32.c
> @@ -80,6 +80,7 @@ void mach_reboot_fixups(void)
>  			continue;
>  
>  		cur->reboot_fixup(dev);
> +		pci_dev_put(dev);

Does this matter in practice? We are about to reboot. (but if it's 
cleaner to do it like this or if there's some real bug fixed by this 
then please spell it out in the changelog.)

	Ingo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/